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INCOME TAXES - NARRATIVE (Details) - USD ($) $ in Millions | Jun. 30, 2026 | Dec. 31, 2025
--- | --- | ---
Operating Loss Carryforwards [Line Items] |  |
Deferred tax assets more likely than not to be realized through future taxable earnings | $ 701.2 | $ 711.7
Federal long-term tax exempt rate | 3.68% |
Ownership change threshold restricting NOL usage | 50.00% |
Non-operating Loss Carryforwards | $ 898.7 |
Net state operating loss carryforwards | 37.1 | 38.0
Capital loss carryforward | 61.3 | $ 53.7
No Expiration Date [Member] | Non-Life [Member] |  |
Operating Loss Carryforwards [Line Items] |  |
Net operating loss carryforwards | 805.5 |
No Expiration Date [Member] | Life [Member] |  |
Operating Loss Carryforwards [Line Items] |  |
Net operating loss carryforwards | $ 93.2 |

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- Definition Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, without jurisdictional netting. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482685/740-10-50-2 + Details
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible state and local operating loss carryforwards. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482685/740-10-50-6 + Details
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